Connection; Connection Diagram; Quick Bench Test - GF UD2100 Betriebsanleitung

Operating Instructions
4

Connection

POWER INPUT: The standard model requires AC power input between 100 to 240 VAC 50/60Hz. No adjustments are necessary for
voltages within this range. Connect L (Live) N (Neutral) and AC Ground.
Optional DC input model requires 9-32 VDC/10 Watts. Connect to + and - terminals.
Optional Thermostat and Heater modules are available rated for 115 VAC or 230 VAC.
4.1

Connection diagram

NOTICE!
Comply with electrical safety standards!
► To comply with CSA/UL electrical safety standards, AC power input and relay connection wires must have conduit entry to the
instrument enclosure. Installation requires a switch, overcurrent fuse or circuit breaker in the building (in close proximity to the
equipment) that is marked as the disconnect switch.
WARNING!
Risk of electric shock!
► Loosen cover screw to access connections. Only qualified personnel should access connections.
4.2

Quick bench test

Connect Sensor as shown, then Power. Test operation of the GF UD2100 by holding the sensor in one hand and rubbing your thumb
or fingers briskly across the face (plastic surface) of the sensor. Allow 15 seconds for the GF UD2100 to process the signal and
display a flow value.
-
4-20 mA
+
NO
RLY2
C
NC
NO
RLY1
C
NC
AC
GND
RS-485
Output
AC
POWER
INPUT
LN
HEATER OPTION
SENSOR
UD2100 Ultrasonic Doppler Flow Meter
SENSOR
GND
11